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Finding the Fourth Proportional to 177,521.67, 244,978.61 and 96,949.22

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Solution

The fourth proportional to 177,521.67, 244,978.61 and 96,949.22 is: 133,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,521.67 : 244,978.61 = 96,949.22 : x
  2. Step 2: Convert to fraction form
    177,521.67/244,978.61 = 96,949.22/x
  3. Step 3: Cross multiply
    177,521.67x = 244,978.61 × 96,949.22
  4. Step 4: Simplify right side
    177,521.67x = 23,750,483,446.55
  5. Step 5: Solve for x
    x = 23,750,483,446.55/177,521.67
  6. Step 6: Final answer
    x = 133,789.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.